1.5 J high-beam-quality Nd:LuAG ceramic active mirror laser amplifier 
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1 Key Laboratory of Space Laser Communication and Detection Technology, Chinese Academy of Sciences, Shanghai 201800, China
2 Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
3 Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai 201800, China
4 Key Laboratory of Materials for High Power Laser, Chinese Academy of Sciences, Shanghai 201800, China
Figures & Tables
Fig. 1. Schematic diagram of the laser. HR: high reflector, PBS: polarized beam splitter, QWP: quarter-wave plate, LDA: laser diode array, SA: serrated aperture.
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Fig. 2. (a) Transmittance curve and (b) microstructure of Nd:LuAG ceramic.
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Fig. 3. Small signal gain versus pump energy.
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Fig. 4. Output performance versus input energy.
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Fig. 5. Reflectivity of the SBS-PCM as a function of input energy.
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Fig. 6. (a) NFP, (b) compressed pulse duration, (c) FFP, and (d) encircled focal spot energy fraction of the double-pass amplified laser pulse with SBS-PCM.
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Jianlei Wang, Kaiqi Zhao, Tao Feng, Xiaolei Zhu, Weibiao Chen. 1.5 J high-beam-quality Nd:LuAG ceramic active mirror laser amplifier[J]. Chinese Optics Letters, 2020, 18(2): 021401.
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